Title:
SLUDGE DEHYDRATION METHOD AND SLUDGE DEHYDRATION APPARATUS
Document Type and Number:
Japanese Patent JP3677461
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a sludge dehydration method capable of effectively reusing removed sludge.
SOLUTION: This method is used in a vacuum-precoat-type dehydration treatment using a rotary drum. In this method, the surface layer of sludge adsorbed by a precoat layer and sludge penetrating into the precoat layer are simultaneously cut separately, and each sludge cut separately is recovered separately.
Inventors:
Kenichi Takahashi
Tsutomu Chiseki
Arai Yoshiaki
Tsutomu Chiseki
Arai Yoshiaki
Application Number:
JP2001125692A
Publication Date:
August 03, 2005
Filing Date:
April 24, 2001
Export Citation:
Assignee:
Hitachi Industries Co., Ltd.
International Classes:
B01D33/06; B01D37/02; C02F11/00; C02F11/10; C02F11/12; (IPC1-7): C02F11/12; B01D33/06; B01D37/02; C02F11/10
Domestic Patent References:
| JP12013158Y1 | ||||
| JP1228516A | ||||
| JP62170112U |
Attorney, Agent or Firm:
Yukihiko Takada
Masaru Takenouchi
Masaru Takenouchi